[Wikidata] Re: web reference

2023-07-28 Thread James Heald
If this lady wants her name updated on Google, she would be much better off if the page is kept, with her preferred name. That way Google will eventually note the page has been updated, and update their records. If the page is deleted, Google will never get that trigger, and the name she

[Wikidata] Re: Inconsistencies on WDQS data - data reload on WDQS

2023-02-23 Thread James Heald
On 23/02/2023 20:08, Kingsley Idehen via Wikidata wrote: On 2/23/23 12:19 PM, James Heald wrote: I have to say I am a bit concerned by this talk, since some of Blazegraph's "features and quirks" can be exceedingly useful. That isn't justification for tightly-coupling a

[Wikidata] Re: Inconsistencies on WDQS data - data reload on WDQS

2023-02-23 Thread James Heald
On Wed, 22 Feb 2023 at 00:03, Kingsley Idehen via Wikidata wrote: On 2/21/23 4:05 PM, Guillaume Lederrey wrote: The exposed SPARQL endpoint is at the moment a direct exposition of the Blazegraph endpoint, so it does expose all the Blazegraph specific features and quirks. Is there a

[Wikidata] Re: connecting coordinates

2022-01-27 Thread James Heald
. It is clearly not easy. Best, Bruno Le 27/01/2022 à 14:04, James Heald a écrit : You're looking for a query like this one, I think https://w.wiki/4kW4 but adapted to your data. All best,   James. ___ Wikidata mailing list -- wikidata@lists.wikimedia.org

[Wikidata] Re: connecting coordinates

2022-01-27 Thread James Heald
You're looking for a query like this one, I think https://w.wiki/4kW4 but adapted to your data. All best, James. On 26/01/2022 23:20, Daniel Mietchen via Wikidata wrote: Hi Olaf, you could bind the dates such that they can be used as the color layer for the dots on the map:

[Wikidata] Identifiers for WDQS queries

2021-02-18 Thread James Heald
Dear wikidata list, One of the key things we do as Wikidata people is go round the internet, hassling people to create nice identifiers for their things, with URIs and landing-pages that we can link to. It brought me up quite short to realise that actually applies to *us* too -- there is an

Re: [Wikidata] Wikimedia Commons Query Service (WCQS)

2020-07-23 Thread James Heald
On 23/07/2020 22:26, Hay (Husky) wrote: Awesome, i'm really happy we finally have at least a start of a functioning query service. For now, the two things that i guess would be helpful for most query writers: 1) A way to make ImageGrid work without resorting to the clunky Special:FilePath hack

Re: [Wikidata] Wikimedia Commons Query Service (WCQS)

2020-07-22 Thread James Heald
"Try it" issue worked around. Include the line |project=sdc when calling the SPARQL template, to have the query go to the WCQS beta service The template https://commons.wikimedia.org/wiki/Template:SPARQL will need to be updated to point to the final endpoint when this is available. The

Re: [Wikidata] Improve the workflows for queries and lists

2020-04-06 Thread James Heald
I am dubious about the solutions proposed. A simple query builder *might* be able to generate some of the queries required, but what is required (eg to appropriately define and limit the broader set of items of interest, or to characterise the combinations that identify problematic entries

Re: [Wikidata] Researching Wikidata's Internal References

2020-01-20 Thread James Heald
On 20/01/2020 14:19, Nicolas VIGNERON wrote: Le lun. 20 janv. 2020 à 14:14, Eugene Alvin Villar a écrit : On Mon, Jan 20, 2020, 9:06 PM Nicolas VIGNERON, < vigneron.nico...@gmail.com> wrote In a nutshell, you can safely assume that only the property 'stated in' matters. I think 'inferred

Re: [Wikidata] Concise/Notable Wikidata Dump

2019-12-18 Thread James Heald
See also this recent discussion/brainstorm on "Wikidata subsetting" https://docs.google.com/document/d/1MmrpEQ9O7xA6frNk6gceu_IbQrUiEYGI9vcQjDvTL9c/edit#heading=h.7xg3cywpkgfq In a geographical context, whether or not an item has a Wikipedia entry has been contemplated as a criterion for

Re: [Wikidata] Shape Expressions arrive on Wikidata on May 28th

2019-05-31 Thread James Heald
On 30/05/2019 17:45, Benjamin Good wrote: I'd like to restate the initial question. Why did wikidata choose shex instead of other approaches? From this very detailed comparison http://book.validatingrdf.com/bookHtml013.html (thank you Andra!) I could see arguments in both directions. I'm

Re: [Wikidata-tech] [Wikidata] Shape Expressions arrive on Wikidata on May 28th

2019-05-30 Thread James Heald
Hi Léa, Thanks to all the team for this. I've proposed a property, https://www.wikidata.org/wiki/Wikidata:Property_proposal/Shape_Expression_for_class To make this work, is it possible to have a Shape Expression as the value of a statement on Wikidata (and the RDF dump, and WDQS) ? Is

Re: [Wikidata] Shape Expressions arrive on Wikidata on May 28th

2019-05-28 Thread James Heald
Hi Léa, Thanks to all the team for this. I've proposed a property, https://www.wikidata.org/wiki/Wikidata:Property_proposal/Shape_Expression_for_class To make this work, is it possible to have a Shape Expression as the value of a statement on Wikidata (and the RDF dump, and WDQS) ? Is

Re: [Wikidata] Wikibase as a decentralized perspective for Wikidata

2018-12-28 Thread James Heald
Coming back to the question of P's and Q's (sorry, it's been a busy few weeks) I read people saying "Don't worry because prefixes", but with respect I don't agree. IMO "Don't worry because prefixes" may make sense as a response if one interacts with Wikidata primarily via RDF dumps, or

Re: [Wikidata] Wikidata INCLUDE extension to SPARQL syntax?

2018-12-22 Thread James Heald
On 22/12/2018 15:59, Bob DuCharme wrote: I see INCLUDE used as a keyword in some Wikidata queries, like in the WHERE clause of https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/queries/examples#Metabolite-metabolite_interactions_(mostly_conversions)_and_their_pKa_change, but I can't

Re: [Wikidata] Wikibase as a decentralized perspective for Wikidata

2018-11-28 Thread James Heald
It should also be made possible for the local wikibase to use local prefixes other than 'P' and 'Q' for its own local properties and items, otherwise it makes things needlessly confusing -- but currently I think this is not possible. -- James On 28/11/2018 16:32, Yuri Astrakhan wrote: I

Re: [Wikidata] Wikidata considered unable to support hierarchical search in Structured Data for Commons

2018-10-18 Thread James Heald
On 18/10/2018 22:33, Markus Kroetzsch wrote: And, on another note, there is also a huge misunderstanding exposed in the discussion on th search-related tracker item [1]: Cparle there speaks about "traversing the subclass hierarchy" but is actually looking at *super*classes of, e.g.,

Re: [Wikidata] ?= New "Wikidata?==?utf-8?q? Map" for October 2018 & Comparison to March 201

2018-10-05 Thread James Heald
Is it possible to extract the set of items with e.g. new coordinates in Scotland, and then (a) histogram the item creation date; or (b) give a list of the other properties on those items, highest frequency of occurrence first? This might reveal if someone had e.g. made a big addition of

Re: [Wikidata] Mapping back to Schema.org needs "broader external class"

2018-09-26 Thread James Heald
On 26/09/2018 10:16, Andra Waagmeester wrote: On Wed, Sep 26, 2018 at 9:47 AM James Heald wrote: Far better to have a dedicated external-id property for schema.org, which would avoid this; and if there are important concepts there that we don't have an item for on Wikidata, then create those

Re: [Wikidata] Mapping back to Schema.org needs "broader external class"

2018-09-26 Thread James Heald
On 26/09/2018 08:46, James Heald wrote: This model is not good. If you dump *all* such matches from whatever source into a single property, then you force people to use string-comparison filters if it is a particular source (eg schema.org) that they are interested in. That may

Re: [Wikidata] Mapping back to Schema.org needs "broader external class"

2018-09-26 Thread James Heald
This model is not good. If you dump *all* such matches from whatever source into a single property, then you force people to use string-comparison filters if it is a particular source (eg schema.org) that they are interested in. That may not be such a problem if you're only interested in

Re: [Wikidata] Semantic annotation of red links on Wikipedia

2018-09-24 Thread James Heald
The problem, if you don't put something on the wikipage itself, is how then do you determine which [[John A. Smith]] a redlink was intended to refer to, if there is more than one possibility. But Maarten is right, that at least on en-wiki, the suggestion of adding templates to link to

Re: [Wikidata] Mapping Wikidata to other ontologies

2018-09-23 Thread James Heald
I would also agree with this. In my opinion P2888 should only be used as a last resort. If possible, it's usually a much better idea to use a specific external-id property for the external database -- it gives us better organisation, it's more obvious on the page, and it's much more

Re: [Wikidata] Better suggestions for constraint values on properties

2018-08-29 Thread James Heald
ensive in term of resources. Plus, the results may not be exactly what editors expect. With the lists of "allowed qualifiers", it's the perfect occasion to clean them up, and the community can have total control on what appears in the suggester :) I hope that answers your question. On 28 Augu

Re: [Wikidata] Better suggestions for constraint values on properties

2018-08-28 Thread James Heald
Interesting, but why not simply suggest the most frequently-used qualifiers for the given property? The list of "allowed qualifiers" is often wildly incomplete; or alternatively no such constraint is specified at all. -- James. On 28/08/2018 14:05, Léa Lacroix wrote: Hello all,

[Wikidata] "Wikipedia and IIIF" will be topic for IIIF community call this Wednesday

2018-08-13 Thread James Heald
Hi everybody, A heads-up that "Wikipedia and IIIF" is the proposed subject for the IIIF community call this week -- see https://groups.google.com/forum/?hl=en#!topic/iiif-discuss/wy2uRl_ukJ0 The IIIF community call is a one-hour conference call on Zoom (people can also dial in by

Re: [Wikidata] Indexing all item properties in ElasticSearch

2018-07-27 Thread James Heald
On 27/07/2018 18:34, Stas Malyshev wrote: Hi! * I would really like dates (mainly, born/died), especially if they work for "greater units", that is, I search for a year and get an item back, even though the statament is month- or day-precise What would be the use case for this? The use

Re: [Wikidata] Indexing all item properties in ElasticSearch

2018-07-27 Thread James Heald
+1 with Magnus on years of birth and death (but perhaps /only/ years of birth and death, or close surrogates eg years of baptism and burial, and inception or publication date for things, otherwise the search specificity would become useless with too many other 'significant event' dates) I

Re: [Wikidata] Wikidata + Wikipedia outreach

2018-01-06 Thread James Heald
I have now created a property proposal for a new property, "Wikidata focus list", to act as a drop-in replacement for some current uses of P972. https://www.wikidata.org/wiki/Wikidata:Property_proposal/Wikidata_focus_list Let's sort this thing out. -- James. On 06/01/2018 10:40, Maarten

Re: [Wikidata] Wikidata + Wikipedia outreach

2018-01-04 Thread James Heald
Better to use P4570, or a new bespoke property, since the things these people are being tagged to be part of, or participants in, like "Black Lunch Table", are not external real-world things, but internal wiki-world projects. It is useful to maintain a distinction between the two -- it helps

Re: [Wikidata] Wikidata + Wikipedia outreach

2018-01-04 Thread James Heald
To amplify what Gerard wrote: To think of how P972 "catalog" = "Black Lunch Table" was being used, a useful analogy is to think of the way one might add a maintenance category for files on Commons -- not to give any assertion of notability or importance, but simply to mark a group of things

Re: [Wikidata] An answer to Lydia Pintscher regarding its considerations on Wikidata and CC-0

2017-11-30 Thread James Heald
Mathieu, You don't seem to grasp the essential legal point, though several people in this thread have already tried to tell you. Copyright protects expression and creative originality. It does not protect merely a collation of facts. The CC-SA licence is based on copyright. Anything that

Re: [Wikidata] [wikicite-discuss] Cleaning up bibliographic collections in Wikidata

2017-11-25 Thread James Heald
Like others in this thread, I would caution *against* overloading P31 "instance of" if possible. When a somewhat similar issue came up, re how to artists that were of interest the the "Black Lunch Table" project https://www.wikidata.org/wiki/Q28781198 that works on coverage of visual artists

Re: [Wikidata] Deletion nomination of Template:Cite Q on English Wikipedia

2017-09-23 Thread James Heald
at 14:34, James Heald <j.he...@ucl.ac.uk> wrote: It's not just other wikis where cryptic template invocations can be an issue. I sometimes think that on Wikidata itself, with templates {{P|...}} and {{Q|...}}, we could use a bot to add the label of the property or item in the default la

Re: [Wikidata] Deletion nomination of Template:Cite Q on English Wikipedia

2017-09-23 Thread James Heald
It's not just other wikis where cryptic template invocations can be an issue. I sometimes think that on Wikidata itself, with templates {{P|...}} and {{Q|...}}, we could use a bot to add the label of the property or item in the default language of the page as an extra parameter to the

Re: [Wikidata] Wikidata Query Service + Mediawiki API = Love

2017-04-27 Thread James Heald
Hi Stas, This is *really* exciting news -- thank you so much for your work on this. I can see it being valuable in so many ways -- the kind of things that people have put tickets in for so far, eg categories, image sizes, page stats etc, are just the tip of the iceberg. One question: were

Re: [Wikidata] Get "subject links" via Wikidata API

2017-04-12 Thread James Heald
One further alternative is the "Linked Data Fragments" (LDF) interface, which is supposed to be a bit lighter on the server than SPARQL -- but only returns a set of triples, so further actions would be needed if you wanted to get labels for them as well. For example:

Re: [Wikidata] Query Assistance

2017-04-10 Thread James Heald
On 10/04/2017 04:58, Brill Lyle wrote: It is very logical. You're right. I understand this now that I see it built Ah, the key is the wdt:P276*/wdt:P131* wd:Q771 That captures the Boston and environs. This is great. What does "BIND ('1' AS ?ma)" mean explicitly. I saw on the User

Re: [Wikidata] Query Assistance

2017-04-09 Thread James Heald
Query with a column for employers as well: (also slightly simplifed, structurally). http://tinyurl.com/kz65akx It does in fact add a few more hits -- as Jan predicted, mostly for university employers. -- James. On 09/04/2017 23:30, James Heald wrote: This query may start to be more

Re: [Wikidata] Query Assistance

2017-04-09 Thread James Heald
This query may start to be more or less what you are looking for http://tinyurl.com/lclgpgx It's actually pretty simple to understand if you (a) start in the middle, then (b) work through what each line means. I haven't added employer location, though it would only take a couple of

Re: [Wikidata] Label gaps on Wikidata

2017-02-27 Thread James Heald
Something I have been wondering is whether it is possible to get a template on eg Commons for a templated WDQS query to take account of the user's language (and also, ideally, preferred fall-back languages, as perhaps indicated by their {{#babel}} settings). I had hoped it might be possible

Re: [Wikidata] Full Text Search in Query Service

2017-02-17 Thread James Heald
Quick question on this Stas: * Why do the suggestions that come up when typing in the search box seem so much more on-point (ie better at presenting the most likely option first) than the ones that come up in the results list? -- eg when the search results for "cat" bring up everything

Re: [Wikidata] Geospatial search for Wikidata Query Service is up

2016-05-10 Thread James Heald
:28, James Heald wrote: Very nice! As a slight tweak on your query, here are some statues within 10km of London's Trafalgar Square http://tinyurl.com/htxqp5t ... or within 10km of Stockholm's Stortorget http://tinyurl.com/jnv5qo3 (Warning: per a recent decision of the Swedish Supreme Court

Re: [Wikidata] Geospatial search for Wikidata Query Service is up

2016-05-10 Thread James Heald
Very nice! As a slight tweak on your query, here are some statues within 10km of London's Trafalgar Square http://tinyurl.com/htxqp5t ... or within 10km of Stockholm's Stortorget http://tinyurl.com/jnv5qo3 (Warning: per a recent decision of the Swedish Supreme Court, the latter search may be

Re: [Wikidata] SPARQL: Lots of items missing from "Art UK" painter searches

2016-05-01 Thread James Heald
On 01/05/2016 11:56, Lydia Pintscher wrote: On Sun, May 1, 2016 at 12:47 PM James Heald <j.he...@ucl.ac.uk> wrote: Is there a big problem with the SPARQL servers ? SPARQL used to return 22,412 hits; and Autolist currently returns 22,458 hits (the latter includes deprecated values). B

[Wikidata] SPARQL: Lots of items missing from "Art UK" painter searches

2016-05-01 Thread James Heald
Is there a big problem with the SPARQL servers ? I was just about to update some of the numbers at https://en.wikipedia.org/wiki/Wikipedia_talk:GLAM/Your_paintings/header which has the numbers for sitelinks, cross-properties etc for painters with P1367 (Art UK artist ID; formerly "Your

Re: [Wikidata] Getting the label of a WD property in SPARQL

2016-04-18 Thread James Heald
You need something like this: - SELECT DISTINCT ?propLabel ?prop ?value WHERE { VALUES ?geneID {"672"} ?gene wdt:P351 ?geneID ; ?prop ?value . ?p wikibase:directClaim ?prop . ?p rdfs:label ?propLabel FILTER

Re: [Wikidata] Date of birth and name correlations

2016-04-15 Thread James Heald
On 14/04/2016 20:31, Andrew Gray wrote: Hi all, Writing to this list because I swear I've seen it discussed here before... I'm curious to know how many cases we have where two people share both a name and a birthdate *but are confirmed to be different people*. I vaguely remember this being

Re: [Wikidata] Status and ETA External ID conversion

2016-03-05 Thread James Heald
Just do them all, as fast as the bot can go. Revert them /if/ somebody complains (which is unlikely). Make this a process of having to contract out for an identifier /not/ to be done, rather than having to contract in for it to be done. Personally, I am rather more interested in what

Re: [Wikidata] SPARQL returns bnodes for some items

2016-02-26 Thread James Heald
These are used as placeholders for the meta-values "unknown value" and "no value" aren't they ? On 26/02/2016 12:27, Markus Kroetzsch wrote: Hi Stas, hi all, I just noted that BlazeGraph seems to contain a few erroneous triples. The following query, for example, returns a blank node

Re: [Wikidata] SPARQL endpoint caching

2016-02-16 Thread James Heald
I have to say that I am dubious. How often does *exactly* the same query get run within 2 minutes ? Does the same query ever get run ? The first thing to do, surely, is to create a hash for each query, (or better, perhaps, something like a tinyurl so then the lookup is reversible, record a

Re: [Wikidata] Preferred rank -- choices for infoboxes, versus SPARQL

2015-11-30 Thread James Heald
, but is in fact silently not returning all of them. -- James. On 30/11/2015 04:40, Gerard Meijssen wrote: Hoi, Most of these could be / should be qualifiers. Several are historic and no longer valid. Thanks, GerardM On 29 November 2015 at 23:42, James Heald <j.he...@ucl.ac.uk>

Re: [Wikidata] Preferred rank -- choices for infoboxes, versus SPARQL

2015-11-29 Thread James Heald
If we look at Glasgow, https://www.wikidata.org/wiki/Q4093 the values for P31 in question are: Q515 -- city Q15060255 -- council area Q7309443 -- registration county Q202435-- lieutenancy area of Scotland Q21457810 -- Scottish district (1975 to 1996) Each

[Wikidata] Preferred rank -- choices for infoboxes, versus SPARQL

2015-11-27 Thread James Heald
Some items have quite a lot of "instance of" statements, connecting them to quite a few different classes. For example, Frankfurt is currently an instance of seven different classes, https://www.wikidata.org/wiki/Q1794 and Glasgow is currently an instance of five different classes:

Re: [Wikidata] Odd results from wdqs

2015-11-23 Thread James Heald
On 23/11/2015 18:18, Timothy Putman wrote: Greetings All, Regarding this issue, I am having trouble with WDQ querying recently created items. An item created on Thursday the 19th (Q21514037) is still not found by WDQ. It is however possible to retrieve it through WDQS. -Tim See

Re: [Wikidata] Is there a Wikidata API query that retrieves the label for an item in a claim?

2015-11-22 Thread James Heald
You could use the SPARQL API to extract any or all of the statements on an item in one go, plus the labels in any language you wanted, depending on what you put in the query. The JSON won't be formatted exactly as below -- you'd get back a structure corresponding to a row for each statement,

Re: [Wikidata] "Implementing" OWL RL in SPARQL (Was: qwery.me - simpler queries for wikidata)

2015-11-12 Thread James Heald
On 12/11/2015 17:10, Markus Krötzsch wrote: I write this not to praise or "bury" any technology, just to clarify some apparent misconceptions. (In particular, I completely agree with the fact that SPARQL is not that hard to grok, and that nicer interfaces and maybe further tutorial-style

Re: [Wikidata] Query Help

2015-11-09 Thread James Heald
Hi Hampton, The SPARQL syntax needed to extract wiki-sitelinks isn't the best, and with luck will get updated when the data design is next reviewed. (Something like the proposed new scheme for identifiers would be better). But I think the following should be more or less what you were

Re: [Wikidata] Use of Sparql service is going through the roof

2015-11-06 Thread James Heald
Hi David, I think the issue with your query was with the line OPTIONAL {?nat rdfs:label ?nat_label filter (lang(?nat_label) = "en") .} The problem was that if the photographer didn't have a P27, so ?nat wasn't bound in the previous OPTIONAL line, then when it gets to the line above, with

[Wikidata] Use of Sparql service is going through the roof

2015-11-06 Thread James Heald
Does anyone know what's going on with the Sparql service ? Up until a couple of days ago, the most hits ever in one day was about 6000. But according to http://searchdata.wmflabs.org/wdqs/ two days ago suddenly there were 6.77 *million* requests, and yesterday over 21 million. Does

[Wikidata] Use-notes in item descriptions

2015-11-05 Thread James Heald
I have been wondering about the practice of putting use-notes in item descriptions. For example, on Q6581097 (male) https://www.wikidata.org/wiki/Q6581097 the (English) description reads: "human who is male (use with Property:P21 sex or gender). For groups of males use with

Re: [Wikidata] Use-notes in item descriptions

2015-11-05 Thread James Heald
he relative (as in kinship) properties; "father of the subject" is clear, but what about cousin/nephew etc.? You need more explanation room than can be stuffed in the label field to fit in the drop down. I have thought about this, but don't see any easy solution besides what you have done. On Thu,

Re: [Wikidata] Wikidata descriptions to show on mobile web Wikipedias

2015-10-29 Thread James Heald
I would agree with Joe Filceolaire on this. Compare the results of a search for "John Arbuthnot" on Wikidata: https://www.wikidata.org/w/index.php?search==John+Arbuthnot=Special%3ASearch=Go against the search for "John Arbuthnot" on Reasonator:

Re: [Wikidata] Announcing Wikidata Taxonomy Browser (beta)

2015-10-27 Thread James Heald
On 27/10/2015 08:42, Stas Malyshev wrote: Hi! It should be a basic requirement of any SPARQL engine that it should be able to handle path queries that contain cycles. So I did some simple checks, and on simple examples Blazegraph handles cycles just fine. However, on more complex queries,

Re: [Wikidata] Blazegraph

2015-10-25 Thread James Heald
Hi Gerard. Blazegraph is the name of the open-source SPARQL engine being used to provide the Wikidata SPARQL service. So Blazegraph *is* available to all of us, at https://query.wikidata.org/ , via both the query editor, and the SPARQL API endpoint. It's convenient to talk describe some

Re: [Wikidata] Announcing Wikidata Taxonomy Browser (beta)

2015-10-25 Thread James Heald
On 25/10/2015 09:31, Markus Krötzsch wrote: On 25.10.2015 02:18, Kingsley Idehen wrote: On 10/24/15 10:51 AM, Markus Krötzsch wrote: We were talking about *cyclic data* not cyclic queries (which you can also create easily using BGPs, but that's unrelated here). Apparently, BlazeGraph has

Re: [Wikidata] Announcing Wikidata Taxonomy Browser (beta)

2015-10-25 Thread James Heald
The standard algorithm for a path search is very simple: Keep adding a new generation of links, until the new link brings in no node not already seen. This works for graphs of equivalence relations, it works for directed acyclic graphs. It's not the /graphs/ that are causing the problem

Re: [Wikidata] Announcing Wikidata Taxonomy Browser (beta)

2015-10-24 Thread James Heald
On 24/10/2015 00:50, Stas Malyshev wrote: Hi! least one Wikipedia) are considered to refer to equivalent classes on Wikidata, which could be expressed by a small subclass-of cycle. For We can do it, but I'd rather we didn't. The reason is that it would require engine that queries such data

Re: [Wikidata] Duplicate identifiers (redirects & non-redirects)

2015-10-01 Thread James Heald
It might be worth creating a qualifier "reason for deprecation" to indicate in more detail why a particular value is deprecated (eg "superseded", "redirected on target website", etc). -- James. On 01/10/2015 17:40, Tom Morris wrote: On Thu, Oct 1, 2015 at 4:19 AM, Markus Krötzsch <

Re: [Wikidata] Freebase to Wikidata: Results from Tpt internship

2015-10-01 Thread James Heald
Out of interest, is there still a live Freebase SPARQL endpoint ? And is it kept up to date with which items have been matched to Wikidata ? Both of these would be useful, I think. -- James. On 01/10/2015 20:25, Thomas Tanon wrote: It's me. https://www.wikidata.org/wiki/User:Tpt

Re: [Wikidata] next Wikidata office hour

2015-09-24 Thread James Heald
Has anybody actually done an assessment on Freebase and its reliability? Is it *really* too unreliable to import wholesale? Are there any stats/progress graphs as to how the actual import is in fact going? -- James. On 24/09/2015 19:35, Lydia Pintscher wrote: On Thu, Sep 24, 2015 at

[Wikidata] Reasonator up again (but Autolist labels still v slow)

2015-09-19 Thread James Heald
de Bruin wrote: The SSL certificate of labs expired, it breaks the Reasonator. Sjoerd de Bruin Op 15 sep. 2015 om 12:58 heeft James Heald <j.he...@ucl.ac.uk> het volgende geschreven: When I try to access a Reasonator page with Chrome, I'm seeing the 'https' crossed through with a re

[Wikidata] Autolist seems to have got very slow at retrieving labels ?

2015-09-14 Thread James Heald
Is anybody else having this problem? Autolist (at least for me) seems to have got very very slow at retrieving labels & links. eg -- I recently opened up a set of searches in five tabs, none of them returning more than 40 hits, and it was still "getting labels" five minutes later. It

[Wikidata] Why do these two SPARQL queries take such different times to run?

2015-09-09 Thread James Heald
Prompted by this thread at Project Chat, https://www.wikidata.org/wiki/Wikidata:Project_chat#Identical_data_sets here's a query to find multiple humans with nationality:Greece that have the same day of birth and day of death: http://tinyurl.com/ow6lpen It produces one pair, and executes in

Re: [Wikidata] Why do these two SPARQL queries take such different times to run?

2015-09-09 Thread James Heald
to work round this. All best, James. On 09/09/2015 16:06, Magnus Manske wrote: Your "labeled" example just ran for me in 121ms. Maybe the server gets overloaded at times and goes into disk swap? Nothing to do with the query? On Wed, Sep 9, 2015 at 2:06 PM James Heald <j.he...@ucl

Re: [Wikidata] Announcing the release of the Wikidata Query Service

2015-09-08 Thread James Heald
It seems to be that it doesn't like looking up the label for ?head when ?head is undefined. Without ?headLabel it runs fine: http://tinyurl.com/p6rfpgv -- James. On 08/09/2015 22:56, Denny Vrandečić wrote: Anyone an idea why this query has a trouble when I add the OPTIONAL keyword?

Re: [Wikidata] Announcing the release of the Wikidata Query Service

2015-09-08 Thread James Heald
It may not be time to retire WDQ quite just yet... Further to what Markus wrote earlier, it does seem that there are still some queries that are a *lot* faster on WDQ than on this initial release of WQS. For example, as described on Project Chat here,

Re: [Wikidata] [Commons-l] Trends in links from Wikidata items to Commons

2015-08-29 Thread James Heald
To pick up on a few different comments from this thread: @revi (Hong, Yongmin) -- Yes, of course you are correct that it is categories rather than galleries that are the important structure for finding and navigating images on Commons. But even if we were to change the status-quo and ban

Re: [Wikidata] Trends in links from Wikidata items to Commons

2015-08-27 Thread James Heald
GMT+02:00 James Heald j.he...@ucl.ac.uk: A few days ago I made the following post to Project Chat, looking at how people are linking from Wikidata items to Commons categories and galleries compared to a year ago, that some people on the list may have seen, which has now been archived: https

[Wikidata] Trends in links from Wikidata items to Commons

2015-08-27 Thread James Heald
A few days ago I made the following post to Project Chat, looking at how people are linking from Wikidata items to Commons categories and galleries compared to a year ago, that some people on the list may have seen, which has now been archived:

Re: [Wikidata] Properties for family relationships in Wikidata

2015-08-26 Thread James Heald
On 26/08/2015 23:35, Svavar Kjarrval wrote: On mið 26.ágú 2015 19:24, Joe Filceolaire wrote: Every other ontology mixes humans with fictional characters and with groups of humans and possibly fictional humans (biblical characters for instance). Wikidata has gone to a lot of trouble to try to

Re: [Wikidata-l] Suggestions for improvements of Wikidata

2015-04-02 Thread James Heald
As an example of a step towards E1 (outside Wikidata), the list might remember the code-snippet that the DJ wrote for Commons, https://commons.wikimedia.org/wiki/User:TheDJ/wdcat.js If you add importScript('User:TheDJ/wdcat.js'); to your common.js file on Commons, then whenever you

Re: [Wikidata-l] OpenStreetMap + Wikidata for light houses

2015-03-11 Thread James Heald
Note that OSM is likely to be unusable for copyright reasons -- J. On 11/03/2015 11:20, Magnus Manske wrote: Started scraping Wikipedia lists: https://en.wikipedia.org/wiki/List_of_lighthouses_and_lightvessels Got to Canada:

[Wikidata-l] 176k items matched to OSM (Re: OpenStreetMap + Wikidata)

2015-03-10 Thread James Heald
Hi Andy, The post last autumn said you had 176,000 items matched to OSM, a very large proportion of which (at least at that time) had no P31 instance of, but you had been able to deduce this from Wikipedia. Would it be possible to start loading Wikidata with that information -- ie complete

Re: [Wikidata-l] Sitelinks to Redirects

2014-12-10 Thread James Heald
The trouble is that a particular individual may have many memberships and affiliations -- some perhaps to small units like bands; but some to larger groups like clubs, or artistic movements. It's better to let humans decide where is the best place in a particular language to redirect people

Re: [Wikidata-l] [Multimedia] Inclusion criteria for Wikidata items for paintings, engravings, illustrations, manuscript folios, photographs, old postcards, etc ?

2014-10-24 Thread James Heald
of the information will be stored in file-data and some will be on Wikidata items referenced from file-data, that needs to be designed in right from the start as a basic requirement. Cheers, James. On 24/10/2014 20:51, Daniel Kinzler wrote: Am 24.10.2014 02:17, schrieb James Heald: I think

Re: [Wikidata-l] [Multimedia] Inclusion criteria for Wikidata items for paintings, engravings, illustrations, manuscript folios, photographs, old postcards, etc ?

2014-10-23 Thread James Heald
are without solutions. But it does, I think, require a decisive view to be reached, as to what we propose to do. Thanks for all your work on this, All best, James. On 16/10/2014 18:56, James Heald wrote: On 13/10/2014 13:03, Daniel Kinzler wrote: Am 13.10.2014 00:17, schrieb Jane

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-22 Thread James Heald
On 22/10/2014 14:23, Smolenski Nikola wrote: Citiranje James Heald j.he...@ucl.ac.uk: (1) There would be no change to the item structure on Wikidata in any way -- no change to the values of any of the item properties -- only some extra sitelinks. So I don't see *why* you think there would

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-22 Thread James Heald
better. It starts by considering all options. Text is no longer the only game in town. Thanks, GerardM On 22 October 2014 10:03, James Heald j.he...@ucl.ac.uk wrote: Gerard, you seem confused. (1) There would be no change to the item structure on Wikidata in any way -- no change

Re: [Wikidata-l] Users do understand Wikidata less than before

2014-10-20 Thread James Heald
Well actually, we *do* support redirects. One just has to be a bit crafty in how one creates them. Do you have a problem with that? If so, what is your problem? -- James. On 20/10/2014 11:45, Gerard Meijssen wrote: Hoi, We do not support redirects. We do not support paragraphs.Wikidata

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-19 Thread James Heald
But Gerard templates and the categories used on the *redirect* will be specific to the redirect, so can draw quite happily from the item corresponding to the redirect. And templates and categories used on the *article* will be specific to the article, so can draw quite happily from the item

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-18 Thread James Heald
=Q18325155lang=en [2] https://tools.wmflabs.org/reasonator/?find=havell On 16 October 2014 09:34, James Heald j.he...@ucl.ac.uk wrote: I am sorry, Gerard, you seem to have fundamentally misunderstood what I am saying. To be clearer: * Noting that a link goes to a redirect is a feature

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-16 Thread James Heald
WHY ARE WE EVEN TALKING ABOUT THIS? Thanks, GerardM On 14 October 2014 23:22, James Heald j.he...@ucl.ac.uk wrote: Creating sitelinks to redirects: As I understand it, the classic workaround for this is to * go to client wiki, * edit the page temporarily so that it is not a redirect

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-16 Thread James Heald
wikipedia. Jane On Thu, Oct 16, 2014 at 9:34 AM, James Heald j.he...@ucl.ac.uk wrote: I am sorry, Gerard, you seem to have fundamentally misunderstood what I am saying. To be clearer: * Noting that a link goes to a redirect is a feature of the *sitelink* not the item. * It is no more Wikipedia centric

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-16 Thread James Heald
however, I find the article rather short and I can't even see any reference to the occupation of hatmaker at all unless you are referring to a list of notable hatters and milliners (which also seems rather short). On Thu, Oct 16, 2014 at 10:40 AM, James Heald j.he...@ucl.ac.uk wrote: We have

Re: [Wikidata-l] Sitelinks to Redirects

2014-10-16 Thread James Heald
that are possibly useful. Purodha James Heald j.he...@ucl.ac.uk writes: We have the relevant information on :en in hatmaking. Why create a stub? Why require the duplication? Surely it is for client wikis to decide how they want to treat topics, either in a big omnibus article, or in a lot of little

Re: [Wikidata-l] [Multimedia] Inclusion criteria for Wikidata items for paintings, engravings, illustrations, manuscript folios, photographs, old postcards, etc ?

2014-10-16 Thread James Heald
On 13/10/2014 13:03, Daniel Kinzler wrote: Am 13.10.2014 00:17, schrieb Jane Darnell: I think the place for all data about an image should be Wikidata. Do you really mean *any* image? E.g., if we have a scan of an old book with 50 engravings, do you want to make a wikidata item for each

Re: [Wikidata-l] [Multimedia] Structured Data Update | IRC chat tomorrow

2014-10-16 Thread James Heald
On 16/10/2014 20:38, Keegan Peterzell wrote: On Thu, Oct 16, 2014 at 12:30 PM, Keegan Peterzell kpeterz...@wikimedia.org wrote: Thanks to all who participated, here are the logs: https://meta.wikimedia.org/wiki/IRC_office_hours/Office_hours_2014-10-16 There also seems to be a nice

[Wikidata-l] Sitelinks to Redirects (was: Re: Users do understand Wikidata less than before)

2014-10-14 Thread James Heald
Creating sitelinks to redirects: As I understand it, the classic workaround for this is to * go to client wiki, * edit the page temporarily so that it is not a redirect * add a sitelink * edit the page again to turn it back into a redirect. Thus, at least as I understand it, there is no

  1   2   >